Narcissism:  A pervasive pattern of grandiosity (in fantasy or behavior), need for admiration, and lack of empathy, beginning by early adulthood and present in a variety of contexts, as indicated by five (or more) of the following:

Lacks empathy or is unwilling to recognize or identify with the feelings and needs of others

Has a grandiose sense of self-importance (e.g., exaggerates achievements and talents, expects to be recognized as superior without commensurate achievements)

Has a sense of entitlement, i.e., unreasonable expectations of especially favorable treatment or automatic compliance with his or her expectations

Is interpersonally exploitative, i.e., takes advantage of others to achieve his own ends

Is often envious of others or believes others are envious of him or her

Requires excessive admiration

Shows arrogant, haughty behaviors or attitudes

Believes that he is "special" and unique and can only be understood by, or should associate with, other special or high-status people (or institutions)

Is preoccupied with fantasies of unlimited success, power, brilliance, beauty, or ideal love